... : St35, St37, St45, St52, E235, E3 DI DIN 2391 Seamless Precision Steel TubesDetailed product description: 1)Standard: DIN2391, EN10305-1, ... OD3-60mm. WT0.5-8mmMax length 12meters. 5) All steel tube can test Ultrasonic flaw detector, Eddy current flaw detector ... Supply Ability: 9000 metric Ton Per Year10) Packing: Hexagon bundled, steel strip bundle, knitting strip bundle or steel box11) Payment: T/T ...